A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOWWILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOWCOVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILEDRIVING.

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Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."